Question
Download Solution PDFIf the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Infiltration: It is the flow of water into the ground through the soil surfaces.
Infiltration Capacity: The maximum rate at which a given soil at a given time can absorb water is defined as infiltration capacity. It is denoted as fp and its unit is cm/hr.
Hence, if the intensity of rainfall is more than the infiltration capacity then, infiltration rate will be equal to infiltration capacity (fp) and rest of the amount of rainfall will be in the form of runoff.
Important points related to fp:
The intensity of rainfall is “i”. Then, three conditions arise from here:
i) If the actual rate of infiltration is f such that f = fp and i > fp then certain amount of runoff will be observed.
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